under cutting gears

[topsecret2JZ]

hey if you teach me how to do it on my bike for free ill help you on other peoples bikes, i know a lot of people with bikes, but yeah i would like to learn how

[Tarzanman]

If your gears slip then either 1 of 3 things is happening:
1. You need to use different motor oil
2. You need to fix your transmission
3. YOu need to learn how to shift properly